US army veterans find peace in protecting rhinos from poaching

In northern South Africa, former soldiers are fighting both the illegal wildlife trade and the twin scourges of unemployment and PTSD

The sun has set over the scrubby savannah. The moon is full. It is time for Ryan Tate and his men to go to work. In camouflage fatigues, they check their weapons and head to the vehicles.

Somewhere beyond the ring of light cast by the campfire, out in the vast dark expanse of thornbushes, baobab trees, rocks and grass, are the rhinos. Somewhere, too, may be the poachers who will kill them to get their precious horns.